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-rw-r--r--ot_clean.c137
1 files changed, 71 insertions, 66 deletions
diff --git a/ot_clean.c b/ot_clean.c
index 4c03416..291b847 100644
--- a/ot_clean.c
+++ b/ot_clean.c
@@ -5,89 +5,91 @@
5 5
6/* System */ 6/* System */
7#include <pthread.h> 7#include <pthread.h>
8#include <unistd.h>
9#include <string.h> 8#include <string.h>
9#include <unistd.h>
10 10
11/* Libowfat */ 11/* Libowfat */
12#include "io.h" 12#include "io.h"
13 13
14/* Opentracker */ 14/* Opentracker */
15#include "trackerlogic.h" 15#include "ot_accesslist.h"
16#include "ot_mutex.h"
17#include "ot_vector.h"
18#include "ot_clean.h" 16#include "ot_clean.h"
17#include "ot_mutex.h"
19#include "ot_stats.h" 18#include "ot_stats.h"
19#include "ot_vector.h"
20#include "trackerlogic.h"
20 21
21/* Returns amount of removed peers */ 22/* Returns amount of removed peers */
22static ssize_t clean_single_bucket( ot_peer *peers, size_t peer_count, time_t timedout, int *removed_seeders ) { 23static ssize_t clean_single_bucket(ot_peer *peers, size_t peer_count, size_t peer_size, time_t timedout, int *removed_seeders) {
23 ot_peer *last_peer = peers + peer_count, *insert_point; 24 ot_peer *last_peer = peers + peer_count * peer_size, *insert_point;
24 time_t timediff;
25 25
26 /* Two scan modes: unless there is one peer removed, just increase ot_peertime */ 26 /* Two scan modes: unless there is one peer removed, just increase ot_peertime */
27 while( peers < last_peer ) { 27 while (peers < last_peer) {
28 if( ( timediff = timedout + OT_PEERTIME( peers ) ) >= OT_PEER_TIMEOUT ) 28 time_t timediff = timedout + OT_PEERTIME(peers, peer_size);
29 if (timediff >= OT_PEER_TIMEOUT)
29 break; 30 break;
30 OT_PEERTIME( peers++ ) = timediff; 31 OT_PEERTIME(peers, peer_size) = timediff;
32 peers += peer_size;
33 }
34
35 /* If we at least remove one peer, we have to copy */
36 for (insert_point = peers; peers < last_peer; peers += peer_size) {
37 time_t timediff = timedout + OT_PEERTIME(peers, peer_size);
38
39 if (timediff < OT_PEER_TIMEOUT) {
40 OT_PEERTIME(peers, peer_size) = timediff;
41 memcpy(insert_point, peers, peer_size);
42 insert_point += peer_size;
43 } else if (OT_PEERFLAG_D(peers, peer_size) & PEER_FLAG_SEEDING)
44 (*removed_seeders)++;
31 } 45 }
32 46
33 /* If we at least remove one peer, we have to copy */ 47 return (peers - insert_point) / peer_size;
34 insert_point = peers;
35 while( peers < last_peer )
36 if( ( timediff = timedout + OT_PEERTIME( peers ) ) < OT_PEER_TIMEOUT ) {
37 OT_PEERTIME( peers ) = timediff;
38 memcpy( insert_point++, peers++, sizeof(ot_peer));
39 } else
40 if( OT_PEERFLAG( peers++ ) & PEER_FLAG_SEEDING )
41 (*removed_seeders)++;
42
43 return peers - insert_point;
44} 48}
45 49
46/* Clean a single torrent 50int clean_single_peer_list(ot_peerlist *peer_list, size_t peer_size) {
47 return 1 if torrent timed out 51 ot_vector *peer_vector = &peer_list->peers;
48*/ 52 time_t timedout = (time_t)(g_now_minutes - peer_list->base);
49int clean_single_torrent( ot_torrent *torrent ) { 53 int num_buckets = 1, removed_seeders = 0;
50 ot_peerlist *peer_list = torrent->peer_list;
51 ot_vector *bucket_list = &peer_list->peers;
52 time_t timedout = (time_t)( g_now_minutes - peer_list->base );
53 int num_buckets = 1, removed_seeders = 0;
54 54
55 /* No need to clean empty torrent */ 55 /* No need to clean empty torrent */
56 if( !timedout ) 56 if (!timedout)
57 return 0; 57 return 0;
58 58
59 /* Torrent has idled out */ 59 /* Torrent has idled out */
60 if( timedout > OT_TORRENT_TIMEOUT ) 60 if (timedout > OT_TORRENT_TIMEOUT)
61 return 1; 61 return 1;
62 62
63 /* Nothing to be cleaned here? Test if torrent is worth keeping */ 63 /* Nothing to be cleaned here? Test if torrent is worth keeping */
64 if( timedout > OT_PEER_TIMEOUT ) { 64 if (timedout > OT_PEER_TIMEOUT) {
65 if( !peer_list->peer_count ) 65 if (!peer_list->peer_count)
66 return peer_list->down_count ? 0 : 1; 66 return peer_list->down_count ? 0 : 1;
67 timedout = OT_PEER_TIMEOUT; 67 timedout = OT_PEER_TIMEOUT;
68 } 68 }
69 69
70 if( OT_PEERLIST_HASBUCKETS( peer_list ) ) { 70 if (OT_PEERLIST_HASBUCKETS(peer_list)) {
71 num_buckets = bucket_list->size; 71 num_buckets = peer_vector->size;
72 bucket_list = (ot_vector *)bucket_list->data; 72 peer_vector = (ot_vector *)peer_vector->data;
73 } 73 }
74 74
75 while( num_buckets-- ) { 75 while (num_buckets--) {
76 size_t removed_peers = clean_single_bucket( bucket_list->data, bucket_list->size, timedout, &removed_seeders ); 76 size_t removed_peers = clean_single_bucket(peer_vector->data, peer_vector->size, peer_size, timedout, &removed_seeders);
77 peer_list->peer_count -= removed_peers; 77 peer_list->peer_count -= removed_peers;
78 bucket_list->size -= removed_peers; 78 peer_vector->size -= removed_peers;
79 if( bucket_list->size < removed_peers ) 79 if (removed_peers)
80 vector_fixup_peers( bucket_list ); 80 vector_fixup_peers(peer_vector, peer_size);
81 ++bucket_list; 81
82 /* Skip to next bucket, a vector containing peers */
83 ++peer_vector;
82 } 84 }
83 85
84 peer_list->seed_count -= removed_seeders; 86 peer_list->seed_count -= removed_seeders;
85 87
86 /* See, if we need to convert a torrent from simple vector to bucket list */ 88 /* See if we need to convert a torrent from simple vector to bucket list */
87 if( ( peer_list->peer_count > OT_PEER_BUCKET_MINCOUNT ) || OT_PEERLIST_HASBUCKETS(peer_list) ) 89 if ((peer_list->peer_count > OT_PEER_BUCKET_MINCOUNT) || OT_PEERLIST_HASBUCKETS(peer_list))
88 vector_redistribute_buckets( peer_list ); 90 vector_redistribute_buckets(peer_list, peer_size);
89 91
90 if( peer_list->peer_count ) 92 if (peer_list->peer_count)
91 peer_list->base = g_now_minutes; 93 peer_list->base = g_now_minutes;
92 else { 94 else {
93 /* When we got here, the last time that torrent 95 /* When we got here, the last time that torrent
@@ -95,45 +97,48 @@ int clean_single_torrent( ot_torrent *torrent ) {
95 peer_list->base = g_now_minutes - OT_PEER_TIMEOUT; 97 peer_list->base = g_now_minutes - OT_PEER_TIMEOUT;
96 } 98 }
97 return 0; 99 return 0;
100}
98 101
102/* Clean a single torrent
103 return 1 if torrent timed out
104*/
105int clean_single_torrent(ot_torrent *torrent) {
106 return clean_single_peer_list(torrent->peer_list6, OT_PEER_SIZE6) * clean_single_peer_list(torrent->peer_list4, OT_PEER_SIZE4);
99} 107}
100 108
101/* Clean up all peers in current bucket, remove timedout pools and 109/* Clean up all peers in current bucket, remove timedout pools and
102 torrents */ 110 torrents */
103static void * clean_worker( void * args ) { 111static void *clean_worker(void *args) {
104 (void) args; 112 (void)args;
105 while( 1 ) { 113 while (1) {
106 int bucket = OT_BUCKET_COUNT; 114 int bucket = OT_BUCKET_COUNT;
107 while( bucket-- ) { 115 while (bucket--) {
108 ot_vector *torrents_list = mutex_bucket_lock( bucket ); 116 ot_vector *torrents_list = mutex_bucket_lock(bucket);
109 size_t toffs; 117 size_t toffs;
110 int delta_torrentcount = 0; 118 int delta_torrentcount = 0;
111 119
112 for( toffs=0; toffs<torrents_list->size; ++toffs ) { 120 for (toffs = 0; toffs < torrents_list->size; ++toffs) {
113 ot_torrent *torrent = ((ot_torrent*)(torrents_list->data)) + toffs; 121 ot_torrent *torrent = ((ot_torrent *)(torrents_list->data)) + toffs;
114 if( clean_single_torrent( torrent ) ) { 122 if (clean_single_torrent(torrent)) {
115 vector_remove_torrent( torrents_list, torrent ); 123 vector_remove_torrent(torrents_list, torrent);
116 --delta_torrentcount; 124 --delta_torrentcount;
117 --toffs; 125 --toffs;
118 } 126 }
119 } 127 }
120 mutex_bucket_unlock( bucket, delta_torrentcount ); 128 mutex_bucket_unlock(bucket, delta_torrentcount);
121 if( !g_opentracker_running ) 129 if (!g_opentracker_running)
122 return NULL; 130 return NULL;
123 usleep( OT_CLEAN_SLEEP ); 131 usleep(OT_CLEAN_SLEEP);
124 } 132 }
125 stats_cleanup(); 133 stats_cleanup();
134#ifdef WANT_ACCESSLIST
135 accesslist_cleanup();
136#endif
126 } 137 }
127 return NULL; 138 return NULL;
128} 139}
129 140
130static pthread_t thread_id; 141static pthread_t thread_id;
131void clean_init( void ) { 142void clean_init(void) { pthread_create(&thread_id, NULL, clean_worker, NULL); }
132 pthread_create( &thread_id, NULL, clean_worker, NULL );
133}
134
135void clean_deinit( void ) {
136 pthread_cancel( thread_id );
137}
138 143
139const char *g_version_clean_c = "$Source$: $Revision$\n"; 144void clean_deinit(void) { pthread_cancel(thread_id); }